986218 has 4 divisors (see below), whose sum is σ = 1479330. Its totient is φ = 493108.

The previous prime is 986213. The next prime is 986239. The reversal of 986218 is 812689.

986218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 169 = 993^2 + 13^2 .

It is not an unprimeable number, because it can be changed into a prime (986213) by changing a digit.

986218 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246553 + ... + 246556.

2⁹⁸⁶²¹⁸ is an apocalyptic number.

986218 is a deficient number, since it is larger than the sum of its proper divisors (493112).

986218 is a wasteful number, since it uses less digits than its factorization.

986218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493111.

The product of its digits is 6912, while the sum is 34.

The square root of 986218 is about 993.0850920238. The cubic root of 986218 is about 99.5384732071.

The spelling of 986218 in words is "nine hundred eighty-six thousand, two hundred eighteen".